Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Dell Server PowerEdge BIOS M420 Version 2.6.1

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
PowerEdge M420 BIOS Version 2.6.1
Recommended

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Fixes & Enhancements

Fixes:
- Removed the unnecessary Serial Peripheral Interface (SPI) Opcodes.

Enhancements:
- Updated the Intel Xeon Processor Microcode to address CVE-2017-5715 (http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2017-5715).
- Updated the Intel Xeon Processor E5-2600 v2 Product Family Processor Microcode to version 0x42C.
- Updated the Intel Xeon Processor E5-2600 Product Family Processor (C-1 Stepping) Microcode to version 0x61C.
- Updated the Intel Xeon Processor E5-2600 Product Family Processor (C-2 Stepping) Microcode to version 0x713.
- CVE-2017-5753 and CVE-2017-5754 are addressed by Operating System & Hypervisor updates. For more information, visit http://www.dell.com/support/article/SLN308588.
Read More

Version

2.6.1, 2.6.1

Release date

07 Mar 2018

Download Type

System BIOS

Category

BIOS

Importance

Urgent
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats View Important Information

File Format: Update Package for MS Windows 64-Bit.
File Name: M420_BIOS_C9JW5_WN64_2.6.1.EXE
File Size: 12.61 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.
To ensure the integrity of your download, please verify the checksum value.
MD5:
091eb924007f575d01c82db20ae6dba9
SHA1:
dd8502a9a2255c4bf8ab80193490961454d1eb02
SHA-256:
d7fa6114ab4bc77d0d6c9c78d3643291ab06ea5e904a1868baaea20345b0103b

File Format: A GnuPG file which contains a cryptographic signature
File Name: M420_BIOS_C9JW5_LN_2.6.1.BIN.sign
File Size: 226 Bytes
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
The GnuPG signature for Red Hat Linux Update Package can be used to authenticate Dell's identity in the correlated Red Hat Linux Update Package.
To ensure the integrity of your download, please verify the checksum value.
MD5:
fc6362fb9a5aa81b3c55f34d655a7739
SHA1:
12e9949d6f0de6f77f9cfc7c9e91500c5d10de0b
SHA-256:
77c96d034052a8ec839b0557baff4de02a078b5f08e58c1ef78b934142780570

File Format: A self-extracting file for use in 64-bit machines
File Name: M420-020601C.efi
File Size: 8.08 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file contains compressed content that can be executed from the EFI Shell or EFI Boot Manager. Download the file to the EFI partition on a removable media device. Insert the removable media, then reboot the system and run the program from the EFI Shell or EFI Boot Manager.
To ensure the integrity of your download, please verify the checksum value.
MD5:
d3d0104d6bbe78fea7ba421d46985b2b
SHA1:
fb7b1c049d5a1117f58705545efe07631136efa6
SHA-256:
736af18e92afdb900ed13947fa3ddaf6bf0b6a6f331b621bd127aae68b6e1133

File Format: Flash BIOS executable
File Name: M420-020601C.exe
File Size: 3.21 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
70cd428416d9d1a88728d46cae4bcf08
SHA1:
a12b2fe8871a73b4396749e9ac0caae29d1b86f4
SHA-256:
bba6b461b2aa859951d12cf2a65b78c614d49cc3af108d43b161048693086b1d

File Format: An archive of PDF files to provide help and procedural information to the customers
File Name: M420_BIOS_2.6.1_RN.pdf
File Size: 111.88 KB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
This format consists of an archive of PDF files used to provide help and procedural information to the customer. It is necessary to install the Adobe Acrobat Reader first to view the files in this archive.
To ensure the integrity of your download, please verify the checksum value.
MD5:
3905074b7fe09bc40172d762139ac236
SHA1:
d87dd11853795fb372ebde943c212847bb535ced
SHA-256:
c8e15c7c6be83549dac0b1021ee54014e92169405448c78e29f689c381c2d945

File Format: Update Package for MS Windows 32-Bit
File Name: M420_BIOS_C9JW5_WN32_2.6.1.EXE
File Size: 11.18 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages (DUP) in Microsoft Windows 32bit format have been designed to run on Microsoft Windows 64bit Operating Systems. Dell Update Packages (DUP) in Microsoft Windows 64bit format will only run on Microsoft Windows 64bit Operating Systems. When selecting a device driver update be sure to select the one that is appropriate for your operating system.
To ensure the integrity of your download, please verify the checksum value.
MD5:
7e76818adaf6e5c04740ce98a2c9aaa1
SHA1:
3bd29434a1a018183e66518b5eaa6f7b7966bba9
SHA-256:
5641736956e30f4763106c1bdd400205ff031dbaa47320b5916e481f1167fddf

File Format: Update Package for Red Hat Linux
File Name: M420_BIOS_C9JW5_LN_2.6.1.BIN
File Size: 60.64 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.
Note: Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
To ensure the integrity of your download, please verify the checksum value.
MD5:
454b28c0474f5d29a7623f128880023e
SHA1:
89340b97a414ac34b8ba321711270c7a36497a02
SHA-256:
26341769928087186c0e9c42ea562414b6704582874675e544f965501e9fca8a

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

Show All | Hide All
Server BIOS 12G
SWB,BIOS,12G,M420.Q1FY16
Dell Update Package Instructions for DRMK
Download
1. Click the "Download Now" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.

Installation
NOTE: You must provide a DOS bootable media, such as a USB key. This executable file does not create the DOS system files.
1. Browse to the location where you downloaded the file.
2. Update the name of the file to DOS recognizable format (8.3). If you do not update the filename to 8.3 format, the filename will be truncated to 8.3 format.
3. Copy the file to the bootable device.
4. Boot the system to DOS by using the bootable device.
5. Run the executable under DOS. Follow the instructions provided by the flash utility.
--------------------------------------------------------------------------------
Dell Update Package Instructions for EFI
Download
1. Click the "Download Now" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
You can update the BIOS using a UEFI shell bootable media, such as a USB key.
1. Copy the file to the bootable device with UEFI shell.
2. Boot the system to UEFI shell by using the bootable device.
3. Run the executable (.efi) under the UEFI shell. Follow the instructions provided by the flash utility.

You can also load this executable directly from BIOS Boot Manager without a UEFI shell bootable media.
1. Copy the file to a USB device
2. Plug in the USB device and press F11 during POST to enter BIOS Boot Manager
3. Navigate to the System Utilities menu and select BIOS Update File Explorer
4. Select the USB device and navigate through the directory contents to find the executable (.efi)
5. Launch the executable and follow the instructions provided by the flash utility.
--------------------------------------------------------------------------------
Dell Update Package Instructions for Linux DUP:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Read over the release information presented by executing the "./[model]_BIOS_LX_[revision].BIN --version" command from the shell.
2. Download and install any prerequisites identified in the above step before proceeding.
3. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
4. Run the update by executing "./[model]_BIOS_LX_[version].BIN" from the shell.
5. Follow the remaining prompts to perform the update.
-----------------------------------------------------
Dell Update Package Instructions for Windows Dup:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.
-----------------------------------------------------
GnuPG Signature of Dell Update Package Instructions:
Download
1. Click the "Download Now" link to download the file.
2. When the "File Download" window appears, click "Save" to save the file to your hard drive.
Installation
1. Import the Dell public key. (You only need to do once on your system.)
2. Verify the Dell Update Package by using its signature file, [model]_BIOS_LX_[version].BIN.sign

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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